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gladu [14]
2 years ago
6

N^2 + 4n = 32 solving quadratics by factoring ( the solution has brackets around it)

Mathematics
1 answer:
finlep [7]2 years ago
6 0

Answer:

n^2 + 4n - 32 = 0

n^2 -4n +8n - 32=0

n(n -4) +8(n -4) =0

(n-4) (n+8) = 0

n=4

n=-8

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Unit 2
olga2289 [7]

Answer:

A. $6.67

Step-by-step explanation:

a) 2y -3x + 8

a) y = - 3/2x + 8/2

a) y = - 3/2x + 4

b) 5y - 15x = -30

b) 5y = 15x - 30

b) y = 15/5x - 30/5

b) y = 3x - 6

3x - 6 = 3/2x + 4

3x -3/2x = 4+6

3/2x = 10

x = (10) / (3/2) = $6.67

5 0
2 years ago
Erin gets her exercise by running. The graph shows the distances she covers in a given amount of time. How many hours does it ta
ivanzaharov [21]

Answer:

2½ h  

Step-by-step explanation:

Assume the graph is like the one below.

The graph shows how Erin's distance varies with time.

To find out how long it takes Erin to cover 25 mi, find 25 mi on the vertical axis.

From there, draw a horizontal line until it hits the graph.

Then drop a vertical line to the horizontal axis.

It hits half-way between 2 and 3.

It takes Erin 2½ h to run 25 mi.

7 0
2 years ago
Read 2 more answers
Someone help?? :(<br><br> write down the answers
Illusion [34]
A) x=-4
b) x=-7
c) x=-6.5
d) x=-5
e) x=-3
f) x=-3
g) x=-12
h) x=-4
i) x=-8
hope that helps
7 0
3 years ago
I will gove brainlist ..The line graph shows the amount of water loss in a leaking tank during 7 hours.The owner pays $1for ever
kramer

Answer:

The owner will have to pay $ 125 after 2 hours.

Step-by-step explanation:

Given that the line graph shows the amount of water loss in a leaking tank during 7 hours, and the owner pays $ 1 for every 8 liters of water lost, to determine how much will he have to pay after 2 hours the following calculation must be performed :

((6000 - 5000) / 8) x 1 = X

(1000/8) x 1 = X

125 x 1 = X

125 = X

Therefore, the owner will have to pay $ 125 after 2 hours.

8 0
3 years ago
If Pay(hours) is the function that describes Al's monthly pay at BIT Labs based on his training, Pay(22 hours), Pay(22), and P(2
maw [93]
<span>If Pay(hours) is the function that describes Al's monthly pay at BIT Labs based on his training, Pay(22 hours), Pay(22), and P(22) all represent what? c
</span>
3 0
3 years ago
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